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TeXes Core EC-6: Statistics
Terms in this set (18)
the average of a distribution, obtained by adding the scores and then dividing by the number of scores.
the middle score in a distribution; half the scores are above it and half are below it
the most frequently occurring score(s) in a distribution
the difference between the highest and lowest scores in a distribution
trials of an event that has more than one probability based outcome.
a bell-shaped curve, describing the spread of a characteristic throughout a population, graph is symmetric and has no skew
average of how far each data point is away from the mean, higher standard deviation indicates higher variability in the data
data recorded as categories/groups [bar graph, line graph, pie chart]
data which is measured and usually expressed numerically [dot plot, stem and leaf plot, box and whisker plot, histogram]
A graph that uses horizontal or vertical bars to display data, shows comparisons between categories of data.
Double Bar Graph
Compares two sets of categorical data with two bars next to each other.
A graph that uses line segments to show changes that occur over time
a graph in which a circle is divided into sectors that each represent a portion of the whole.
a graph that uses dots to show the frequency counts of a group of data.
data are separated into a steam and a leaf by place value and organized in the form of a histogram
A graph of vertical bars representing the frequency distribution of a set of data.
splits data set into quartiles, middle is 50% from the whiskers. are used with larger sets of data
A picture or drawing representing words or ideas
THIS SET IS OFTEN IN FOLDERS WITH...
TeXes Core EC-6: Mathematics Instruction
TeXes Core EC-6: Numbers and Algebra
TeXes Core EC-6: Patterns and Algebra
TeXes Core EC-6: Angles in Triangles
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